The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-474-3503, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Soon Air Co. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-474-3503 |
| Primary Part Number | 5447 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Soon Air Co |
| Status | ACTIVE |
| Head Diameter | 0.448 INCHES MINIMUM AND 0.488 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 28 |
| Head Height | 0.125 INCHES NOMINAL IN |
| Askewed Head Angle | 30.0 DEGREES NOMINAL |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.295 INCHES MINIMUM AND 1.315 INCHES MAXIMUM FIRST HOLE IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.312 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Fourth Diameter | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Features Provided | CASEHARDENED |
| Fourth Diameter From Head | 0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Second Diameter From Head | 0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Material | STEEL COMP 8740 OVERALL |
| Distance From Centerline to Flat | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Fastener Length | 1.375 INCHES MINIMUM AND 1.395 INCHES MAXIMUM IN |
| Thread Length | 0.302 INCHES NOMINAL IN |
| Thread Series Designator | UNF |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 0.646 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN |
| Third Diameter From Head | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Hardness Rating | 29.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Direction | RIGHT-HAND |
| Head Style | DEE CHAMFER |
| Thread Class | 3A A |
| First Diameter From Head | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 4 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5306-00-474-3503 is a Bolt,externally Relieved Body, manufactured by Soon Air Co, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-474-3503 has 2 cross-referenced part numbers: 5447 (Soon Air Co), 5447 (Botoman Mfg Co Inc).
There are 5 known substitutes for 5306-00-474-3503: 4730-00-011-8539, 5945-00-400-8297, 5935-01-228-1785 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5447: Head Diameter: 0.448 INCHES MINIMUM AND 0.488 INCHES MAXIMUM IN; Thread Quantity Per Inch: 28; Head Height: 0.125 INCHES NOMINAL IN; Askewed Head Angle: 30.0 DEGREES NOMINAL. 27 total characteristics are documented in the Federal Logistics Information System.